Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Additional Information (Detail)

v3.10.0.1
Intangible Assets, Net - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]        
Definite-lived assets amortization period     3 years  
Amortization expense of definite-lived assets $ 307 $ 48 $ 613 $ 96